The SC204 uses a 4" SilverCone woofer. driven by a sophisticated copper-clad magnet system with a 1? for a large linear excursion, producing greater dynamics than one would assume in a monitor of such proportions. Proprietary AMT tweeter. Precision and detail in the treble range, along with great overall bass and midrange control. Two 50W PWM amplifiers. Built-in thread attachment points on bottom and rear. High-resolution DSP for precise control over multiple filter sections, volume control, phase and balance adjustments, all directly from the front panel using a single high-precision button. Optimized bass port design with large rectangular soft-cornered rear port.